Joy-it JT-LCR-T7 Transistor Tester User Manual

pengenalan

The Joy-it JT-LCR-T7 is a versatile multi-function tester designed for quick and accurate identification and measurement of various electronic components. This manual provides comprehensive instructions for the safe and effective use of your device, covering setup, operation, maintenance, and troubleshooting.

Arahan Keselamatan

• Always ensure the component under test is fully discharged before connecting it to the tester, especially capacitors. Residual charge can damage the device.
• Do not attempt to measure live circuits or components connected to power.
• Use the device in a dry environment and avoid exposure to moisture or extreme temperatures.
• Jauhkan peranti daripada capaian kanak-kanak.
• If the device shows signs of damage, do not operate it.

Produk Selesaiview

Familiarize yourself with the components of your JT-LCR-T7 tester:

Figure 1: Joy-it JT-LCR-T7 Transistor Tester. The image displays the black rectangular body of the tester with a blue and yellow LCD screen. The screen shows "M-Tester" at the top, "BJT-PNP" indicating a transistor test, and measurement values like "hFE=13", "Ube=741mV", "Ic=2.1mA", "Iceo=2.0mA", and "Ices=0.16m". Below the screen, there's a white test socket with numbered pins (1, 2, 3) and a "K" and "IR" label. A large yellow "Start" button is visible on the right. Wires with alligator clips (red, black, green) are connected to the test socket, and at the other end, a black transistor component is held by a green alligator clip, while red and black clips are also present. The "Multi-function Tester - T7" and "Joy-it" logos are visible on the device.

• Paparan LCD: Shows measurement results, component type, and other relevant information.
• Test Socket: A ZIF (Zero Insertion Force) socket with numbered pins (1, 2, 3) for inserting components.
• Penyambung Probe: Ports for connecting external test leads/probes.
• Butang Mula: Memulakan proses pengukuran.
• Input Kuasa: (Not explicitly visible, but implied by "Battery powered") For connecting power or charging.

Persediaan

1. Bekalan Kuasa: The JT-LCR-T7 is battery-powered. Ensure the internal battery is charged or insert fresh batteries according to the polarity markings (if user-replaceable).
2. Kuasa Awal Hidup: Press the 'Start' button to power on the device. The display will light up, indicating it's ready for use.
3. Self-Test (Optional): Some units perform a brief self-test upon power-on. Allow it to complete before proceeding.

Arahan Operasi

The JT-LCR-T7 automatically identifies the component type and measures its parameters. Follow these steps for testing:

1. Sediakan Komponen: Ensure the component is clean and its leads are straight. For capacitors, ensure they are fully discharged.
2. Sambungkan Komponen:
   • Using the Test Socket: Insert the component leads into any three available pins (1, 2, or 3) of the ZIF socket. For two-lead components (resistors, capacitors, inductors), use any two pins.
   • Using Test Probes: Connect the provided test probes to the corresponding ports on the tester. Attach the alligator clips to the component leads. Ensure good contact.
3. Mulakan Ujian: Press the large yellow 'Start' button. The tester will begin the measurement process.
4. Baca Keputusan: The LCD display will show the identified component type (e.g., "BJT-PNP" for a PNP Bipolar Junction Transistor) and its measured parameters.
   • For transistors, parameters like hFE (current gain), Ube (Base-Emitter voltage), Ic (Collector current), Iceo (Collector-Emitter leakage current with base open), and Ices (Collector-Emitter leakage current with base shorted) may be displayed.
   • For resistors, capacitance, or inductance, the respective values will be shown.
5. Remove Component: Once the measurement is complete, carefully remove the component from the test socket or disconnect the probes.

Note: The tester automatically detects the pinout of transistors, diodes, and other multi-pin components.

Penyelenggaraan

• Pembersihan: Gunakan kain lembut dan kering untuk membersihkan bahagian luar peranti. Jangan gunakan pembersih atau pelarut yang kasar.
• Storan: Store the tester in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, remove batteries (if user-replaceable) to prevent leakage.
• Penjagaan Bateri: Recharge the battery when the low battery indicator appears. Avoid fully discharging the battery frequently to prolong its lifespan.

Menyelesaikan masalah

Spesifikasi

• Jenama: Joy-it
• Nombor Model: JT-LCR-T7
• Dimensi (L x W x H): 12 x 5 x 19 cm
• Berat: 100 gram
• Sumber Kuasa: Dikuasakan bateri
• Jenis Pengukuran: RLC meter (Resistor, Inductor, Capacitor)
• warna: Berbilang warna
• gaya: digital
• Ketersediaan Alat Ganti: 1 Year (EU)

Waranti dan Sokongan

Joy-it products are manufactured to high quality standards. For information regarding warranty coverage, technical support, or service, please refer to the official Joy-it webtapak atau hubungi perkhidmatan pelanggan mereka secara langsung. Sila simpan bukti pembelian anda untuk tuntutan waranti.